Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Jan. 21. A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

A very rare treat is about to grace Earth's night skies.

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A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the ...

A planetary parade is a colloquial term that means four or more planets line up in the night sky at once. It's not a ...